One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,9,6,3,10,8)(4,7,14,16,15,11,13,12)(17,18)(19,23)(20,27)(21,30)(22,25)(24,26)(28,32)(29,31)(1,3)(2,6)(4,12)(5,8)(7,14)(9,10)(11,13)(15,16)(17,19,22,21)(18,23,25,30)(20,28,29,26)(24,27,32,31)(1,2)(3,6)(4,7)(5,8)(9,10)(11,15)(12,14)(13,16)(17,20,22,29)(18,24,25,32)(19,26,21,28)(23,31,30,27)(1,4,6,15)(2,7,3,11)(5,14,10,13)(8,12,9,16)(17,19,22,21)(18,23,25,30)(20,26,29,28)(24,31,32,27)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.